The statistics of the reaction types in the Reaxys test set. The types are determined using NameRXN.

Occurrence	N	Criterion	Reactions	Top-1 exact acc., %	Top-1 partial acc., %
Common	20	N > 1000	67 633	17.0	73.5
Frequent	67	100 < N ≤ 1000	23 685	16.2	65.1
Rare	120	10 < N ≤ 100	4219	13.5	60.3
Very rare	232	1 < N ≤ 10	947	14.2	53.1
Singular	245	N = 1	245	13.5	62.4